Granted Patent
Utility
US 5,464,061 · App. 08/356,593
Cryogenic coal bed gas well stimulation method
Inventors:
Dennis R. Wilson, Robert M. Siebert, Pat Lively
Patented Case
View Patent ↗
Granted: Nov 7, 1995
Filed: Dec 14, 1994
Inventors
Dennis R. Wilson
Robert M. Siebert
Pat Lively
Assignee (at issue)
Conoco Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.